Refractile bodies in the developing and mature spermatozoa of Childia groenlandica (turbellaria: Acoela) and their possible significance.
D000818:Animals; D008297:Male; D008540:Meiosis; D008853:Microscopy; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology*; D014419:Turbellaria / Q000166:cytology*